Yukon - Yukon Spartan Locker Reviews, Ratings, Specs & Prices
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Yukon - Yukon Spartan Locker

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Product Information

MSRP: $299.00
Average Price: $245.45
Manufacturer: Yukon
Yes: 37 / No: 1
Company Website: http://www.yukongear.com

More heavy duty than any other lunchbox style locker out there with bigger pins and springs. Engages smoothly, extremely quiet and works great. Installation is a breeze and the instructions that come with it are concise. As an added bonus, the cross pin is included.


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Registered User
MrDubbe's Reviews
02-03-2017, 10:56 AM
Price: $237.00
Pros: Easy installation
Cons: None yet
Recommended? Yes

Comments: Just installed it last night. Will update soon!
Just installed it last night. Will update soon!
Just installed it last night. Will update soon!
Just installed it last night. Will update soon!

Registered User
jjotmo's Reviews
04-27-2016, 08:11 AM
Price: $240.00
Pros: Installed easy
Cons: Just installed not sure yet
Recommended? Yes

Comments: Just installed so waiting to see. Very quiet so far though, and install was very easy.

Registered User
thetolleyman's Reviews
12-02-2015, 10:19 PM
Price: $240.00
Pros: Very easy install, low price. Can't feel its there in 2WD
Cons: Click's a bit on turns.
Recommended? Yes

Comments: Installed when swapping gears, very easy, easier than putting the spider gears back in if you ask me.


Registered User
DeFens's Reviews
08-08-2015, 12:02 AM
Price: $295.00
Pros: Easy to install myself. Economical. Works well for the mild-moderate wheeling that I do.
Cons: It's still just a Dana 30 up there - no fault of the product, but it's very apparent that a locker that fits in the OEM carrier isn't going to be as strong as one that replaces the whole guts of the differential, and that a stock axle won't be as strong as an upgraded one. But - since I'm not planning to go with tires any larger than 32's, I'm guessing I won't likely break anything if I drive smart.
Recommended? Yes

Comments: Ordered from RockRidge 4x4 in Wenatchee, WA. Arrived the next day. Installation instructions made some assumptions that you aren't an absolute beginner in getting the axles slid out (front locker), but there's plenty of video on YouTube to show that anyway.

Came well packaged and looks very well-machined in box. Installation went smoothly and tested out okay. The supplied cross pin was a couple thousandths too large in diameter to fit, so I used the original pin. This shouldn't matter, since the Spartan pin was an optional purchase until recently.

In short amount of testing done so far, made a great improvement in my Jeep's climbing ability. Obstructions that I'd have to "bump" my way onto before, the Jeep just crawls up on them now.

Registered User
HS00XJ's Reviews
03-03-2015, 07:19 AM
Price: $240.00
Pros: great off road performance,comes with hardened cross pin
Cons: loud on road
Recommended? Yes

Comments: great affordable locker that comes with hardened cross pin that's loud offroad

Registered User
Yj350tbi's Reviews
08-12-2014, 04:12 PM
Price: $305.00
Pros: Adds traction in 4wd.
Cons: Hard to turn when in 4wd
Recommended? Yes

Comments: Very cheap a safe way to lock front end. Great for a weekend trail / dd.

Registered User
moparguy21's Reviews

03-24-2014, 09:30 AM
Price: $250.00
Pros: easy install
Cons: none yet
Recommended? Yes

Comments: I haven't had this long but so far it works great locks and unlocks how it should easy to install if you know how to work on a diff no noise unless I hav the wheel turnd all the way to turn around then you hear it unlocking but not bad for the price u cant go wrong I hav it in my front dana 30 make shur you use synthetic gear oil and remove factory thrush washers

great product would buy agen

Matt Graham

Registered User
Matt Graham's Reviews
02-14-2014, 12:00 PM
Price: $235.00
Pros: inexpensive, easy install, excellent traction
Cons: Don't have the ability to disengage the locker, sometimes you can hear it 'clicking' when turning
Recommended? Yes

Comments: Overall I'm happy with the spartan locker. It wasn't quite as "invisible" in 2wd as I thought it'd be, but after driving with it a few days it feels normal and you don't think about it. The traction offroad is amazing, night and day difference. I consider it to be very quiet. If the radio is off and you have the window down you can hear a faint clicking during a sharp turn, but if the radio is on or you're talking to someone else it is barely even noticeable and I was happy with that.

The install was pretty easy except for having to remove the carrier and ring gear to be able to slide the cross pin out. Other than that it was pretty easy.


Registered User
CJ7KAHUNA's Reviews
10-29-2013, 01:32 PM
Price: $275.00
Pros: Easy install - does what its designed to do!
Cons: None so far
Recommended? Yes

Comments: I have this locker installed in my Dana 30. The install was simple but I installed it into a new carrier that was yet to be installed so YMMV. It works great and I've had no issues with it so far.


Registered User
j33pman's Reviews
07-05-2013, 10:32 AM
Price: $200.00
Pros: Cheap, works, Quieter than my Broken detroit EZ locker
Cons: not selectable
Recommended? Yes

Comments: Broke my Detroit EZ Locker and replaced with the Spartan, good so far!


Registered User
bowtech's Reviews
05-06-2013, 10:22 PM
Price: $25.00
Pros: Works as designed
Cons: None
Recommended? Yes

Comments: Installed this in my Dana 30. Simple installation in the driveway. No need to perform gear set up. I ran these for a while with the axle disconnect and am now running it without the disconnect. No excessive noises when driving on the street. This is a really strong lunchbox type locker


Registered User
TellicoTJ's Reviews
03-19-2013, 11:57 AM
Price: $285.00
Pros: Strong, Easy install, best money ive spent on my jeep in awhile
Cons: It will make alot of noise in 2wd when turning and when it unloads untill it gets broken in. then its pretty quiet.
Recommended? Yes

Comments: same thing as the aussie but better built, locks/unlocks quietly, night and day difference in traction. every jeep should have one.

Registered User
Finallyajeep's Reviews

03-01-2013, 11:25 AM
Price: $269.00
Pros: Relatively easy install for never having worked on a diff. before. Works as it should. Actually felt as if the steering has become a little tighter.
Cons: A little loud for the first week or so, now its much quieter. Don't screw up your axle seals putting the shafts back in (ask me how I know )
Recommended? Yes

Comments: I was looking to lock my front axle, but didn't have the funds to buy a selectable locker. The Spartan has worked great for what I need it for, and is hardly noticeable on the street. Most of the time I forget its there, that is until you throw it in 4x4. All the components came packaged well, and were very stout, especially the new center pin. The directions were a little unclear in parts, maybe just because I had never worked on a diff. before. Overall very happy with this product.

Registered User
jm708's Reviews

09-04-2012, 02:13 PM
Price: $230.00
Pros: Install was straight forward, does what it was made to do. And does it well.
Cons: It was a bit noisy but with Lucas oil and you can hardly hear it now.
Recommended? Yes

Comments: I've had it in my amc 20 for just over a month now. It works great on my DD. It was loud at first but I change the dif oil to Lucas oil and you can hardly hear it. I was worried after it was in with regular gear oil. It was so loud and pop like something broke nearly every shift and curve in the road. Now I just have to see how crazy it will be in the snow this winter. I'll report back.


Registered User
robert1973's Reviews
07-29-2012, 11:06 PM
Price: $264.00
Pros: Super easy install
Cons: Will update after some time of use
Recommended? Yes

Comments: Not enough use to give review as of yet

Registered User
daren_r's Reviews

05-31-2012, 10:27 PM
Price: $300.00
Pros: Digs in great. Crawled over things that I never thought I could before.
Cons: LOUD. VERY LOUD. Bangs and clicks all the time. Sounds like my front end is going to explode.
Recommended? No

Comments: I bought based on other reviews and write ups. Click bang click bang is all I hear. Shop says normal. Still trying to determine if that is normal. Everyone else I talk to says seamless in 2wd, quiet, no problems. Not in my D30. I have an 04 LJ with an auto and 33s. Had the Spartan installed when I had new ring and pinion gears done. The jeep is a beast in the rocks with this thing and the factory track lock in the rear, but it has taken away from the enjoyment I get from driving my Jeep. I can feel the bang all the way into the steering wheel. The clicking is loud and rather annoying. I am still working with the shop to determine if there is something else that can be done. If not I intend on removing and seeking a refund. I love the idea of not having switches or cables to deal with, but I can't handle the constant loud clicking and banging. I will update review once I work with the shop that installed this some more. For now I would not recommend for anybody that actually likes driving the jeep and not hearing all the clicking. I rate an average because while it is great off road my on road experience has been diminished tremendously. If it is an install issue or a faulty unit and it is taken care of then I will be more satisfied. I use my Jeep as a daily driver and was looking to add some more capability off road, which this certainly did. However, I am not willing to sacrifice my on road experience where I spend 90% of my time.


Registered User
neonhomer's Reviews
04-26-2012, 08:25 PM
Price: $269.00
Pros: Fairly easy to install.
Cons: Instructions not too clear, limited to 31" tires.
Recommended? Yes

Comments: The installation was fairly straightforward, except the directions were unclear about the thrust washers. Had to leave them out for it to fit. Does good under most conditions. Only thing I really don't like is that the locker will bind, and then forcibly unlock, usually in a corner on the street, producing a very audible "POP/CLUNK" and shaking the entire vehicle.

Good for a budget locker, though.

Registered User
halfstock's Reviews

03-04-2012, 06:58 PM
Price: $247.00
Pros: Easy installation, great performance, rugged design, quiet operation.
Cons: None
Recommended? Yes

Comments: I've held off doing a review of these lockers until I'd used them a year.

In my '94 YJ, put Spartan Lockers in the D30 front and D35 rear diffs. Installation was very straight-forward with excellent included instructions. Front D30 required pulling the carrier, it was easy, (disconnect tie-rod/drag links for ease of installation), and all went together flawlessly in under three hours start to finish, working on concrete shop floor with floor jacks, jack-stands and air tools. Hardest part was getting front hub assemblies out as they were rusted in tight, pretty much expected for an 18 year old Jeep.

I used full-synthetic gear lube in the diffs after installation, as much of the time this YJ is driven at below freezing temps. With the synthetic gear lube, locker operation is fast and positive, unlocking is quiet, even in tight turns on pavement.

Now, for the performance part... have run these wet, dry, rocks, ice and snow, and find that they are very street friendly, even for a daily driver, and yet perform flawlessly off road. I go many places in 2WD now that were iffy propositions in 4wd with the open differentials that were OEM in my YJ!

I was really concerned about on-road performance during the winter months, especially with ice and compact snow here in North Idaho. It proved to not be an issue, so long as when driving under those conditions I kept it in 4WD, otherwise it was a little squirrelly on ice/snow, especially on uphill corners where the vehicle is under power throughout the corner. Keeping her locked into 4WD cured the issues under these conditions.

Off road, what a different vehicle! It's pretty much stock throughout, and 4cyl/5 spd, and will go just about anywhere I point it providing ground clearance isn't a factor. The Spartan lockers converted my Jeep into a very capable machine that will probably not see any other mods other than perhaps a suspension lift to get some ground clearance, and to replace the aged, flat springs on this YJ. It does all I'll need to ask of the vehicle.

Would I do it again? In an instant!

Would I recommend the Spartan Lockers? Without hesitation.

Value for the dollar? Best bang for the buck mod you can do!

Daily drive-ability? Exceptional! You won't notice they're there.

Do both differentials? Absolutely, especially if ice/snow are on the menu.

Skill level for installation? Basic DIY common sense, and 5th grade reading level.

Tools necessary? Essentially just basic hand tools, and a slide-hammer (for front hub assemblies). Yes air-tools are nice, but not required.

This is the first product review I've done on JeepForum.com. Hopefully you will find it useful and instructive.

Registered User
chevypowered's Reviews
02-18-2012, 01:56 PM
Price: $216.00
Pros: i have great traction in all terrain hardly use 4X4
Cons: has rough turns on the pavement
Recommended? Yes

Comments: this part is easy to install and is a great choice if you are on a budget anduse your rig for mostly off roading.


Registered User
dragginwagon406's Reviews
01-15-2012, 12:32 AM
Price: $220.00
Pros: cost, simple installation
Cons: none
Recommended? Yes

Comments: have not had a chance to really test it yet but it was cheap and installation was a breeze

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